Home / 104,007.17-143,540.36-63,747.69

Finding the Fourth Proportional to 104,007.17, 143,540.36 and 63,747.69

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Solution

The fourth proportional to 104,007.17, 143,540.36 and 63,747.69 is: 87,978.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,007.17 : 143,540.36 = 63,747.69 : x
  2. Step 2: Convert to fraction form
    104,007.17/143,540.36 = 63,747.69/x
  3. Step 3: Cross multiply
    104,007.17x = 143,540.36 × 63,747.69
  4. Step 4: Simplify right side
    104,007.17x = 9,150,366,053.03
  5. Step 5: Solve for x
    x = 9,150,366,053.03/104,007.17
  6. Step 6: Final answer
    x = 87,978.23

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.